This article is not a pure erotic text, and there are large paragraphs or even entire chapters of non-erotic descriptions.All the characters in this article are pseudonyms, and the place names do not match the reality.At the same time, in accordance with the requirements of the prototype characters, some characters' relationships and events involved will not be described.Some plots and dialogues are inferred by the author due to their long time and other reasons.The psychological activities and words and deeds of all characters in the article cannot be used as references to the group they belong to.